Lowther PM6C

Full-range

8″ / 225 mm
Nominal diameter
45 Hz
Resonance
0.46
Q factor
94 dB
Sensitivity
± 1 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.8
dB
Frequency response
30 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
4.79
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.46

Large signal parameters

Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
21
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.4
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
39
mm

Magnet

Flux density
B
1.75
T
Force factor
Bl
7.25
N/A
Motor constant
Bl/√RE
2.66
N/√W
Air gap height
HAG
4
mm
Diameter
115
mm
Material
Feroba 2

Diaphragm

Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
12.8
g
Moving mass (without air load)
MMD
10.4
g
Material
Twin Paper

Suspensions

Stiffness
KMS
1.12
N/mm
Compliance
CMS
895
µm/N
Equivalent volume to the compliance
VAS
56
L
Mechanical resistance
RMS
0.75
N·s/m

Dimensions

Nominal diameter
8
225
mm
Overall diameter
225
mm
Baffle cutout diameter
190
mm
Overall depth
76
mm
Flange thickness
9
mm
Mounting depth
67
mm
Volume occupied by the driver (estimated)
0.67
L

Export this driver to a simulation software:

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SD
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